Finding the Fourth Proportional to 403.24, 604.74 and 114.70
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Solution
The fourth proportional to 403.24, 604.74 and 114.70 is: 172.02
Step by Step Solution
- Step 1: Write the proportion equation
403.24 : 604.74 = 114.70 : x - Step 2: Convert to fraction form
403.24/604.74 = 114.70/x - Step 3: Cross multiply
403.24x = 604.74 × 114.70 - Step 4: Simplify right side
403.24x = 69,363.68 - Step 5: Solve for x
x = 69,363.68/403.24 - Step 6: Final answer
x = 172.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.